2) surgical cicatrix
手术瘢痕
3) scarless
[英]['skɑ:lis] [美]['skɑrlɪs]
无瘢痕
1.
Research progress of fetal wound scarless healing;
胎儿伤口无瘢痕愈合机制
5) scar-free skin resurfacing
无瘢痕皮肤磨削术
补充资料：阿狄森氏瘢痕瘤